<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>动画按钮</title>
  </head>
  <body>
    <div class="container">
      <h1>雨霁彩虹卧，半夜水明楼。</h1>
      <div class="rainbow-box">
        <div class="rainbow-arc">
          <div class="rainbow-arc-main"></div>
        </div>
        <div class="rainbow-arc">
          <div class="rainbow-arc-main"></div>
        </div>
        <div class="rainbow-arc">
          <div class="rainbow-arc-main"></div>
        </div>
        <div class="rainbow-arc">
          <div class="rainbow-arc-main"></div>
        </div>
        <div class="rainbow-arc">
          <div class="rainbow-arc-main"></div>
        </div>
      </div>
    </div>
  </body>
</html>
